#ifndef __USART_ALL_H
#define __USART_ALL_H
#include "../applications/De_bug_mouse/de_bug_mouse.h"

extern int jy901_rx_state_flag;

void usart2_init(uint32_t boud);
void usart3_init(uint32_t boud);
void usart4_init(uint32_t boud);
void usart5_init(uint32_t boud);
rt_err_t uart2_function();
rt_err_t uart3_function();
rt_err_t uart4_function();
rt_err_t uart5_function();

#endif


